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Summary:PROBLEM TO BE SOLVED: To attempt improvement of adhesion property, scratch resistance, and a moisture resistant adhesive property to a diazo sensitive material layer by a method wherein a surface of a laminated film on one side of a polyester film has an acrylic resin as a main ingredient, and an intermediate layer having a polyester resin as a main constituent is provided between the film and the laminated film. SOLUTION: A surface of a laminated film arranged on at least one side of a polyester film is composed of an acrylic resin as a main constituent, and an intermediate layer having a polyester resin as a main constituent is arranged between the surface of the laminated film and the polyester film. Therefore, the polyester film is excellent in an adhesion property, scratch resistance, and a moisture resistant adhesive property under a high temperature and high humidity environment to a diazo sensitive material, and can be used as a base material film used for the diazo sensitive film.
Bibliography:Application Number: JP19960089271